1203220332312 has 32 divisors (see below), whose sum is σ = 3017539969200. Its totient is φ = 399808225664.

The previous prime is 1203220332289. The next prime is 1203220332337. The reversal of 1203220332312 is 2132330223021.

It is a super-2 number, since 2×1203220332312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79068387 + ... + 79083602.

Almost surely, 2^{1203220332312} is an apocalyptic number.

1203220332312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1203220332312 is an abundant number, since it is smaller than the sum of its proper divisors (1814319636888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203220332312 is a wasteful number, since it uses less digits than its factorization.

1203220332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158152315 (or 158152311 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1203220332312 its reverse (2132330223021), we get a palindrome (3335550555333).

The spelling of 1203220332312 in words is "one trillion, two hundred three billion, two hundred twenty million, three hundred thirty-two thousand, three hundred twelve".